S
M
T
W
T
F
S
27
74°
53°
28
74°
52°
29
72°
52°
30
72°
50°
1
71°
50°
2
67°
50°
3
68°
48°
4
66°
47°
5
70°
50°
6
71°
47°
7
64°
46°
8
68°
46°
9
69°
44°
10
67°
37°
11
59°
38°
12
66°
43°
13
67°
34°
14
63°
37°
15
61°
44°
16
65°
42°
17
65°
46°
18
67°
40°
19
67°
33°
20
58°
37°
21
55°
35°
22
50°
33°
23
49°
37°
24
48°
38°
25
55°
37°
26
59°
35°
27
53°
29°
28
47°
25°
29
44°
23°
30
41°
27°
31
44°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Fairfax
Fairfax's October 2026 forecast shows daily high temperatures ranging from 41° to 74°, with overnight lows between 23° and 53°. The average high for October is 62° with an average low of 40°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Fairfax. See also: November | December | January.
